The state's unemployment rate hovers around 3 percent, and "Help Wanted" signs litter the landscape of cities such as Williston in the same way "For Sale" signs populate the streets of Las Vegas. "It's a zoo," said Terry Ayers, who drove into town from Spokane, Wash., slept in his truck, and found a job within hours of arrival, tripling his salary. "It's crazy what's going on out here." MORE: Jobs for millennials STORY: 10 high-paying government jobs MORE: Most hated jobs The reason?